<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>

<script>
    let s1 = "abc";
    let s2 = "ABC";
    console.log(s1+"-"+s2);
    let html = '<h3 title="'+s1+'">'+s2+'</h3>';
    console.log(html)

    console.log(`${s1}-${s2}`)
    let html2 = `<h3 title="${s1}">${s2}</h3>`
    console.log(html2);

    function setMsg() {
        return "我是函数";
    }
    console.log(`调用方法setMsg的结果是：${setMsg()}`)


    let html3 = `<div>
    <h3>哈哈哈哈</h3>
    <div>
        <span>嘿嘿</span>
</div>
</div>`;
    console.log(html3);
</script>
</html>
